var vbmenu_usepopups = false;
var ignorequotechars = 0;
var userAgent = navigator.userAgent.toLowerCase();
var is_opera = (userAgent.indexOf('opera') != -1);
var is_saf = ((userAgent.indexOf('applewebkit') != -1) ||
(navigator.vendor == "Apple Computer, Inc."));
var is_webtv = (userAgent.indexOf('webtv') != -1);
var is_ie = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));
var is_ie4 = ((is_ie) && (userAgent.indexOf("msie 4.") != -1));
var is_moz = ((navigator.product == 'Gecko') && (!is_saf));
var is_kon = (userAgent.indexOf('konqueror') != -1);
var is_ns = ((userAgent.indexOf('compatible') == -1) &&
(userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));
var is_ns4 = ((is_ns) && (parseInt(navigator.appVersion) == 4));
var is_regexp = (window.RegExp) ? true : false;
var vbDOMtype = '';

if (document.getElementById) { vbDOMtype = "std"; }
else if (document.all) { vbDOMtype = "ie4"; }
else if (document.layers) { vbDOMtype = "ns4"; }

var vBobjects = new Array();

function fetch_object(idname, forcefetch) {
  if (forcefetch || typeof(vBobjects[idname]) == "undefined")
  {
    switch (vbDOMtype)
    {
      case "std":
        { vBobjects[idname] = document.getElementById(idname); }
        break;
      case "ie4":
        { vBobjects[idname] = document.all[idname]; }
        break;
      case "ns4":
        { vBobjects[idname] = document.layers[idname]; }
        break;
    }
  }
  return vBobjects[idname];
}

function do_an_e(eventobj) {
  if (!eventobj || is_ie)
  {
    window.event.returnValue = false;
    window.event.cancelBubble = true;
    return window.event;
  }
  else
  {
    eventobj.stopPropagation();
    eventobj.preventDefault();
    return eventobj;
  }
}

function openWindow(url, width, height) {
  var dimensions = "";
  if (width) { dimensions += ",width=" + width; }
  if (height) { dimensions += ",height=" + height; }
  window.open(url, "vBPopup", "statusbar=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes" + dimensions);
 return false;
}

function imwindow(imtype, userid, width, height) {
  return openWindow("sendmessage.php?" + SESSIONURL + "do=im&type=" + imtype + "&userid=" + userid, width, height);
 }

function who(threadid) {
  return openWindow("misc.php?" + SESSIONURL + "do=whoposted&threadid=" + threadid, 230, 300);
}

function reputation(postid) {
  window.open("reputation.php?" + SESSIONURL + "p=" + postid, "Reputation", "toolbar=no, scrollbars=yes, resizable=yes, width=212, height=241");
  return false;
}

function manageattachments(url, width, height, hash) {
  window.open(url, "Attach" + hash, "statusbar=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes,width=" + width + ",height=" + height);
  return false;
}

function iif(condition, trueval, falseval) {
  return condition ? trueval : falseval;
}

function in_array(ineedle, haystack, caseinsensitive) {
  var needle = new String(ineedle);
  if (caseinsensitive) { needle = needle.toLowerCase();
    for (i in haystack)
    {
      if (haystack[i].toLowerCase() == needle) { return i; }
    }
  }
  else
  {
    for (i in haystack)
    {
      if (haystack[i] == needle) { return i; }
    }
  }
  return -1;
}

function js_toggle_all(formobj, formtype, option, exclude, setto) {
  for (var i =0; i < formobj.elements.length; i++)
  {
    var elm = formobj.elements[i];
    if (elm.type == formtype && in_array(elm.name, exclude, false) == -1)
    {
      switch (formtype)
      {
      case "radio":
        if (elm.value == option) { elm.checked = setto; }
        break;
      case "select-one":
        elm.selectedIndex = setto;
        break;
      default:
        elm.checked = setto;
        break;
      }
    }
  }
}

function js_select_all(formobj) {
   exclude = new Array();
   exclude[0] = "selectall";
   js_toggle_all(formobj, "select-one", '', exclude, formobj.selectall.selectedIndex);
}

function js_check_all(formobj) {
   exclude = new Array();
   exclude[0] = "keepattachments";
   exclude[1] = "allbox";
   exclude[2] = "removeall";
   js_toggle_all(formobj, "checkbox", '', exclude, formobj.allbox.checked);
}

function js_check_all_option(formobj, option) {
  exclude = new Array();
  exclude[0] = "useusergroup";
  js_toggle_all(formobj, "radio", option, exclude, true);
}

function checkall(formobj) { js_check_all(formobj); }

function checkall_option(formobj, option) {
  js_check_all_option(formobj, option);
}

function validatemessage(messageText, subjectText, minLength, maxLength, ishtml, tForm) {
  if (is_kon || is_saf || is_webtv) { return true; }
  var strippedMessage = stripcode(messageText, ishtml, ignorequotechars);
  if (subjectText.length < 1)
  {
    alert(vbphrase["must_enter_subject"]);
    return false;
  }
  else if (strippedMessage.length < minLength)
  {
    alert(construct_phrase(vbphrase["message_too_short"], minLength));
    return false;
  }
  else { return true; }
}

function stripcode(str, ishtml, stripquotes) {
  if (!is_regexp) { return str; }
  if (stripquotes)
  {
    var quote1 = new RegExp("(\\[QUOTE\\])(.*)(\\[\\/QUOTE\\])", "gi");
    var quote2 = new RegExp("(\\[QUOTE=(&quot;|\"|\\'|)(.*)\\1\\])(.*)(\\[\\/QUOTE\\])", "gi");
    while(str.match(quote1))
    {
      str = str.replace(quote1, '');
    }
    while(str.match(quote2))
    {
      str = str.replace(quote2, '');
    }
  }
  if (ishtml)
  {
    var html1 = new RegExp("<(\\w+)[^>]*>", "gi");
    var html2 = new RegExp("<\\/\\w+>", "gi");
    str = str.replace(html1, '');
    str = str.replace(html2, '');
    var html3 = new RegExp("&nbsp;");
    str = str.replace(html3, '');
  }
  else
  {
    var bbcode1 = new RegExp("\\[(\\w+)[^\\]]*\\]", "gi");
    var bbcode2 = new RegExp("\\[\\/(\\w+)\\]", "gi");
    str = str.replace(bbcode1, '');
    str = str.replace(bbcode2, '');
  }
  return str;
}

function construct_phrase() {
  if (!arguments || arguments.length < 1 || !is_regexp) { return false; }
  var args = arguments;
  var str = args[0];
  var re;
  for (var i = 1; i < args.length; i++)
  {
    re = new RegExp("%" + i + "\\$s", "gi");
    str = str.replace(re, args[i]);
  }
  return str;
}

function set_cp_title() {
  if (typeof(parent.document) != "undefined" && typeof(parent.document) != "unknown" && typeof(parent.document.title) == "string")
  {
    if (document.title != '')
    {
      parent.document.title = document.title;
    }
    else
    {
      parent.document.title = "vBulletin";
    }
  }
}

function js_open_help(scriptname, actiontype, optionval) {
  window.open("help.php?s=" + SESSIONHASH + "&do=answer&page=" + scriptname + "&pageaction=" + actiontype + "&option=" + optionval, "helpwindow", "toolbar=no,scrollbars=yes,resizable=yes,width=212,height=450");
}

function switch_styleid(selectobj) {
  var styleid = selectobj.options[selectobj.selectedIndex].value;
  if (styleid == "") { return; }
  var url = new String(window.location);
  var fragment = new String("");
  url = url.split("#");
  if (url[1]) { fragment = "#" + url[1]; }
  url = url[0];
  if (url.indexOf("styleid=") != -1 && is_regexp)
  {
    re = new RegExp("styleid=\\d+&?");
    url = url.replace(re, "");
  }
  if (url.indexOf("?") == -1) { url += "?"; }
  else
  {
    lastchar = url.substr(url.length - 1);
    if (lastchar != "&" && lastchar != "?") { url += "&"; }
  }
  window.location = url + "styleid=" + styleid + fragment;
}

function toggle_display(idname) {
  obj = fetch_object(idname);
  if (obj)
  {
    if (obj.style.display == "none")
    {
      obj.style.display = "";
    }
    else { obj.style.display = "none"; }
  }
  return false;
}

function set_cookie(name, value, expires) {
  if (!expires)
  {
    expires = new Date();
  }
  document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString() + "; path=/";
}

function fetch_cookie(name) {
  cookie_name = name + "=";
  cookie_length = document.cookie.length;
  cookie_begin = 0;
  while (cookie_begin < cookie_length)
  {
    value_begin = cookie_begin + cookie_name.length;
    if (document.cookie.substring(cookie_begin, value_begin) == cookie_name)
    {
      var value_end = document.cookie.indexOf (";", value_begin);
      if (value_end == -1)
      {
        value_end = cookie_length;
      }
      return unescape(document.cookie.substring(value_begin, value_end));
    }
    cookie_begin = document.cookie.indexOf(" ", cookie_begin) + 1;
    if (cookie_begin == 0) { break; }
  }
  return null;
}

function delete_cookie(name) {
  var expireNow = new Date();
  document.cookie = name + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT" + "; path=/";
}


function toggle_collapse(objid) 
    {
        if (!is_regexp)
            { 
                return false;
            } 
        obj = fetch_object("collapseobj_" + objid);
        img = fetch_object("collapseimg_" + objid);
        cel = fetch_object("collapsecel_" + objid);
        if (!obj) 
            {
                if (img) 
                    {
                        img.style.display = "none";
                    }
                return false;
            }
        if (obj.style.display == "none")
            {
                obj.style.display = "";
                save_collapsed(objid, false);
                if (img) 
                    {
                        img_re = new RegExp("_collapsed\\.gif$");
                        img.src = img.src.replace(img_re, '.gif');
                    }
                if (cel) 
                    {
                        cel_re = new RegExp("^(thead|tcat)(_collapsed)$");
                        cel.className = cel.className.replace(cel_re, '$1');
                    }
            }
        else
            {
                obj.style.display = "none";
                save_collapsed(objid, true);
                if (img)
                    {
                        img_re = new RegExp("\\.gif$");
                        img.src = img.src.replace(img_re, '_collapsed.gif');
                    }
                if (cel) 
                    {
                        cel_re = new RegExp("^(thead|tcat)$");
                        cel.className = cel.className.replace(cel_re, '$1_collapsed');
                    }
            }
        return false;
    }


function save_collapsed(objid, addcollapsed) {
  var collapsed = fetch_cookie("vbulletin_collapse");
  var tmp = new Array();
  if (collapsed != null)
  {
    collapsed = collapsed.split("\n");
    for (i in collapsed)
    {
      if (collapsed[i] != objid && collapsed[i] != "")
      {
        tmp[tmp.length] = collapsed[i];
      }
    }
  }
  if (addcollapsed)
  {
    tmp[tmp.length] = objid;
  }
  expires = new Date();
  expires.setTime(expires.getTime() + (1000 * 86400 * 365));
  set_cookie("vbulletin_collapse", tmp.join("\n"), expires);
}

function vbmenu_register(controlid, nowrite, datefield) {
  if (vbmenu_usepopups)
  {
    vbmenu_doregister(controlid, nowrite, datefield);
  }
}

function activecells_mouseover(e) {
  this.className = this.swapclass;
  if (is_ie)
  {
    this.style.cursor = "hand";
  }
  else
  {
    this.style.cursor = "pointer";
  }
  return true;
}

function activecells_mouseout(e) {
  this.className = this.origclass;
  this.style.cursor = "default";
  return true;
}

function activecells_click(e) {
  this.className = this.origclass;
  var script = '';
  if (r = this.id.match(/^([a-z]{1})([0-9]+)$/))
  {
    switch (r[1])
    {
      case "u":
        script = "member.php?" + SESSIONURL + "u=";
        break;
      case "f":
        script = "forumdisplay.php?" + SESSIONURL + "f=";
        break;
      case "t":
        script = "showthread.php?" + SESSIONURL + "t=";
        break;
      case "p":
        script = "showthread.php?" + SESSIONURL + "p=";
        break;
      case "m":
        script = "private.php?" + SESSIONURL + "pmid=";
        break;
      default:
        return;
    }
    window.location = script + r[2];
  }
}

function vBulletin_init() {
  if (is_webtv) { return true; }
  var imgs = null;

  switch (vbDOMtype)
  {
    case "std":
      imgs = document.getElementsByTagName("img");
      break;
    case "ie4":
      imgs = document.all.tags("img");
      break;
    default:
      imgs = false; break;
  }

  if (imgs)
  {
    for (var i = 0; i < imgs.length; i++)
    {
      if (!imgs[i].title && imgs[i].alt != "")
      {
         imgs[i].title = imgs[i].alt;
      }
    }
  }

  if (vbmenu_usepopups && vbmenu_registered.length > 0)
  {
    for (i in vbmenu_registered)
    {
      vbmenu_init(vbmenu_registered[i]);
    }
    document.onclick = vbmenu_close;
  }
  return true;
}

function activecells_init() {
  if (is_webtv || is_opera) { return; }
  tds = document.getElementsByTagName("td");
  for (var i = 0; i < tds.length; i++)
  {
    switch (tds[i].className)
    {
      case "alt1Active":
      case "alt2Active":
        {
          tds[i].origclass = tds[i].className;
          tds[i].swapclass = iif(tds[i].className == "alt1Active", "alt2Active", "alt1Active");
          tds[i].onmouseover = activecells_mouseover; tds[i].onmouseout = activecells_mouseout;
          tds[i].onclick = activecells_click;
        }
        break;
    }
  }
}